• Material: Body: 18/8 stainless steel (18% chromium, 8% nickel), rust-free. Lid: plastic. Seal: silicone.
  • Capacity: 12 oz | 17 oz
  • Dimensions: 12 oz 3.5 × 3.5 × 5.5 in | 17 oz 3.5 × 3.5 × 6.9 in
  • Product weight: 12 oz 0.47 lb | 17 oz 0.57 lb
  • Insulation: 10 hours cold, 8 hours hot.
  • Dishwasher: Dishwasher safe, seal included.
  • Contents: Includes one stainless steel insulated travel mug with snap lid (flip-latch drinking opening) and one spare seal set.
  • Warranty: 3 Years Manufacturer Warranty.

For commuters and coffee lovers who refuse to settle for a lukewarm sip — this double-wall vacuum insulated stainless steel travel mug keeps your drink at the right temperature and your bag bone dry, all day long.

  • Leak-resistant snap lid for worry-free commutes: the snap lid with flip latch seals tight so your coffee cup with lid stays dry in any bag or backpack; the optimized silicone seal holds firm whether you're driving, cycling, or rushing to the office
  • Up to 8 hours hot, 10 hours cold: double-wall vacuum insulation in this insulated stainless steel coffee tumbler keeps your travel coffee mug at drinking temperature through a full shift
  • 18/8 stainless steel, zero metallic taste: the food-grade 18/8 steel interior (18% chromium, 8% nickel) adds no flavor to coffee or tea
  • Fits your cupholder and one hand: the tapered 3.5-inch base slides into standard car cup holders; the carry loop keeps it on one finger while the flip latch opens with a thumb — this coffee cup handles commutes, camping, and desk use without extra space

Available in two sizes (12 oz and 17 oz) and four colors: Gray, Navy Blue, Dark Green and Brown. Includes one stainless steel insulated travel mug with snap lid (flip-latch drinking opening) and one spare seal set. 3 Years Manufacturer Warranty.

Is the mug truly leak-proof, even when carried in a bag?

Yes — the snap lid with flip latch over the drinking opening is rated leak-proof ("LEAK-PROOF SNAP LID" on the spec sheet); closed, it stays sealed in a bag or backpack.

How long does the mug actually keep coffee hot?

Up to 8 hours hot and up to 10 hours cold.

Is the lid dishwasher safe?

Yes — both the mug and the lid are dishwasher safe (spec sheet: "DISHWASHER SAFE").

Does the mug leave a metallic taste in the coffee?

No — 18/8 stainless steel (18% chromium, 8% nickel) is taste-neutral and does not transfer any metallic flavour to coffee or tea.

Does the mug fit standard car cup holders?

Yes — the slim, tapered mug fits standard car cup holders.

How durable is the lid with daily use?

The lid is designed for daily use — the seal, closure, and thread are all optimised for it — and is covered by the warranty.

Can the mug be heated in the microwave?

No — stainless steel must not go in the microwave; please transfer the drink to a microwave-safe container to reheat.

Is the mug suitable for tea as well, or only for coffee?

Yes — it works equally well for coffee, tea, and cold drinks: up to 8 hours hot, 10 hours cold, with no metallic taste.

Does the mug sit comfortably in the hand and can it be used one-handed?

Yes — the tapered body sits comfortably in the hand, the carry loop keeps it on one finger, and the flip latch over the drinking opening can be operated with one thumb — ideal for commuters who need their other hand free.

How easy are the mug and lid to clean — can the lid be removed?

Yes — the snap lid comes off completely; both mug and lid are dishwasher safe, and the flip latch has no sliding mechanism where coffee residue can collect.

What sizes and colours are available?

Two sizes — 350 ml (12 oz) and 500 ml (17 oz) — each available in Grey, Dark Blue, Dark Green, and Brown.

Does the lid contain plastic?

The mug body itself is pure 18/8 stainless steel; the lid and seal contain plastic and/or silicone.

How heavy is the mug?

Lightweight: approx. 215 g (7.6 oz) for the 350 ml size, and approx. 260 g (9.2 oz) for the 500 ml size.

Is there a warranty on the mug?

Yes — 3-year warranty.

Does the mug come complete with a lid?

Yes — the package includes the insulated travel mug with snap lid (flip-latch drinking opening) and a spare seal set.

We want to get your Blockhütte gear to you as fast as possible. Most orders are processed within 1 business day. We route every order through USPS, FedEx, or UPS, whichever delivers fastest at the best rate.

Shipping Rates (Contiguous U.S.)
* Ground ($50+): FREE (2–5 Business Days)
* Ground (Under $50): $10 (2–5 Business Days)
* Expedited: $20 per 26 lbs (1–3 Business Days)
* Overnight: $65 per 26 lbs (1 Business Day)

Tip: Place Expedited or Overnight orders by 12:00 PM CT for the fastest processing.

Alaska, Hawaii & U.S. Territories
(American Samoa, Guam, Marshall Islands, Micronesia, Northern Mariana Islands, Palau, Puerto Rico, U.S. Virgin Islands)
* Ground: $20 flat (10–14 Business Days)
* Expedited: $40 flat (3–5 Business Days)
* Overnight: Not available

Important Notes
* Free Shipping: Contiguous U.S. only.
* Express Engraving: order by 1:00 PM PT and we engrave the same day.
* PO Boxes: Shipped via USPS at Ground rates.
* Heavy Orders: Items 1,000+ lbs may ship via LTL freight.
* Tracking: You'll receive a tracking number via email once your order ships.

International Orders? Check our International FAQ for details.

Impressions from the Blockhuette community

Stainless Steel Insulated Travel Mug with Leak-Proof Snap Lid

Coffee Mug to Go Leak Proof Adults for Travel & On the Go - Dishwasher Safe Tumbler, Spare Seal Included, 8h Hot

$28.97

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Two men in white Blockhütte T-shirts laughing in front of a painted green leaf mural

Through our extensive travels in the past, it became even more important to us, for environmental and cost reasons, to always have something to eat and drink on hand. We opted for stainless steel lunch boxes and water bottles. However, these products were of inferior quality: either they were made of cheap stainless steel, were not food-safe, or they leaked. This set our goal: to bring the best lunch box to the market in terms of sustainability, quality, and value for money.

Nils & Malte

Founders of Blockhuette

Leak-proof, every day

The seal is cut from solid material and the thread runs longer. The lid closes clean, so your backpack stays dry.

Sealed on its side, in a backpack, all day.

Blockhütte stainless steel travel mug clipped sideways to a hiking backpack on a mountain trail
Hot coffee pouring from a coffee machine into the Blockhütte stainless steel travel mug

Temperature-stable, without preheating

The travel mug uses the same vacuum construction and thermal layer as our bottles. Coffee stays hot for 8 hours, cold drinks stay cold for 10.

No preheating needed. Fill it and close it.

Recyclable & Plastic-Free Packaging

Sustainability is a top priority for us! For packaging, we have opted for sustainable and recyclable cardboard. Even with the cardboard, we ensure that as little material as possible is used, to save resources.

Long brown cardboard Blockhütte water bottle package with green house pattern lying on grass
Hands pressing a barcode shipping label onto a brown cardboard box on a wooden desk

Fast Shipping

Your order ships from within the US. Ground delivery takes 2 to 5 business days in the contiguous US.

Most orders are processed within one business day. Alaska, Hawaii and the US territories take 10 to 14 business days.

Every package goes out with USPS, FedEx or UPS, whichever gets it to you fastest.

Food-Safe & Taste-Neutral

Your drink touches nothing but steel. The inside is uncoated 18/8 stainless steel: no coating, no aftertaste.

The seals are food-grade silicone, BPA-free. Which lab report covers which product is on our certificates page. Free to download, no form.

Two hands holding the Blockhütte stainless steel travel mug with dark green snap lid outdoors

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What the insulated travel mug is for

Coffee that is still hot at the end of a long meeting. 8 hours hot and 10 hours cold, with no preheating.

The body your drink touches is uncoated 18/8 stainless steel. No liner, no coating, no plastic taste.

Is it tested for lead?

Yes. It is independently tested for lead under the US CPSIA, and we retest every year. That report is being added to our certificates page.

The food-contact reports for the mug are already there, free to download, with no form and no account.

Can the travel mug be engraved?

Yes, in our own facility in California, in one fixed position.

The mug has no engraving listing of its own yet. Ask through Corporate Gifts. Engraved items cannot be returned, so check the spelling first.

Cleaning and spare parts

Dishwasher safe, every part of it. Take the seal out once a week so it dries fully.

Every wearing part is sold separately. When a seal fails, you buy a seal, not a new mug.